25 march 2017 (Mineral Symposium)11-12 june 2016 (RockFest)2 april 2016 (Mineral Symposium)22 august 2015 (Mineral Symposium)13-14 june 2015 (RockFest)16 august 201414-15 june 201421-24 november 2013 (SandFest)8-9 june 201315-17 august 2012